Learn About Lead

Loudoun Water’s distribution system is lead freeThe term distribution system is used to collectively describe the facilities, pipe, and other equipment used to supply water from its source up to the privately owned service line. The purpose of distribution system is to deliver water to the consumer with appropriate quality, quantity and pressure. The privately owned service line typically begins at the water meter near the edge of the property being serviced. The homeowner (consumer) is responsible for the service line

It is important, however, for consumers to understand how lead can enter your drinking water, the risks, and how to prevent exposure.

Sources of Lead
History of Lead Service Lines
What's in My Drinking Water?

Do I Have a Lead Service Line?

Graphic represents a typical residential service line where the privately owned portion of the service line goes from the meter to the building.


Q: Was your property built after August 1, 1978?

A: If the answer is yes, it is highly unlikely that you have a lead service line.

Q: Was your property built before August 1, 1978?

A: If the answer is yes, there is the possibility that a lead service line exists on your property.

Q: My property was built before August 1, 1978. How can I determine if my service line is made of lead?

A: There are various methods of confirming the material of your service line. The following types of documents may be a helpful place to start before contacting a plumber.

1. Homeowner Inspection Reports

2. Contractor/Plumber Reports

3. Building Plans

4. Records of a Service Line Replacement

Q: I have located documentation stating the material of my service line. What should I do with this?

A: Please provide an electronic copy of this documentation to Loudoun Water here. Upon completion of the service line inventory in 2024, your property’s service line material status will be updated accordingly.